Results 191 to 200 of about 123,113 (271)

High Intensity Exercise Countermeasures does not Prevent Orthostatic Intolerance Following Prolonged Bed Rest [PDF]

Approximately 20% of Space Shuttle astronauts became presyncopal during operational stand and 80deg headup tilt tests, and the prevalence of orthostatic intolerance increases after longer missions.
Lee, Stuart M. C., Platts, Steven H., Ploutz-Snyder, Lori L., Stenger, Michael B.   +3 more
core   +1 more source

The Effect Of Maximal Exercise On Post-exertional Blood Pressure Control In Athletes With And Without Orthostatic Intolerance

, 2005
Sheena E. Privett, Greg Whyte, Keith George, N. Timothy Cable   +3 more
openalex   +1 more source

2014 Cardiovascular Risks Standing Review Panel: Final Report [PDF]

No abstract ...
Steinberg, Susan
core   +1 more source

Orthostatic Intolerance and Chronotropic Incompetence in Patients With Myalgic Encephalomyelitis or Chronic Fatigue Syndrome. [PDF]

Circ Rep, 2023
Miwa K.
europepmc   +1 more source

Orthostatic intolerance and the cardiovascular response to early postoperative mobilization

, 2009
Morten Bundgaard‐Nielsen, Christoffer Calov Jørgensen, Torben Jørgensen, Birgitte Ruhnau, Niels H. Secher, Henrik Kehlet   +5 more
openalex   +1 more source

Computer simulation of preflight blood volume reduction as a countermeasure to fluid shifts in space flight [PDF]

Fluid shifts in weightlessness may cause a central volume expansion, activating reflexes to reduce the blood volume. Computer simulation was used to test the hypothesis that preadaptation of the blood volume prior to exposure to weightlessness could ...
Charles, J. B., Simanonok, K. E., Srinivasan, R.   +2 more
core   +1 more source

UEG Week 2025 Poster Presentations

United European Gastroenterology Journal, Volume 13, Issue S8, Page S803-S1476, October 2025.
wiley   +1 more source

Editorial: Recent advances with orthostatic intolerance/tachycardia in children and adolescents: international perspectives. [PDF]

Front Pediatr
Taksande A.
europepmc   +1 more source

Detection of Elevated Level of Tetrahydrobiopterin in Serum Samples of ME/CFS Patients with Orthostatic Intolerance: A Pilot Study. [PDF]

Int J Mol Sci, 2023
Gottschalk CG, Whelan R, Peterson D, Roy A.   +3 more
europepmc   +1 more source

Temporal Artery Flow Response during the Last Minute of a Head Up Tilt Test, in Relation with Orthostatic Intolerance after a 60 Day Head-Down Bedrest

, 2011
Philippe Arbeille, Ming Yuan, Yanqiang Bai, Shizhong Jiang, Gullemette Gauquelin, P Aubry, Yuming Wan, M. A. Custaud, Yinghui Li   +8 more
openalex   +2 more sources